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Paper Abstract and Keywords
Presentation 2023-07-24 14:20
A Generic Construction of Outsider Anonymous Broadcast Encryption with Keyword Search
Keita Emura (NICT), Kaisei Kajita, Go Ohtake (NHK) ISEC2023-22 SITE2023-16 BioX2023-25 HWS2023-22 ICSS2023-19 EMM2023-22
Abstract (in Japanese) (See Japanese page) 
(in English) Broadcast encryption with keyword search (BEKS) has been proposed (Attrapadung et al. at ASIACRYPT 2006/Chatterjee-Mukherjee at INDOCRYPT 2018) as a multi-receiver variants of public key encryption with keyword search (PEKS). In BEKS, no receiver anonymity is considered because the test algorithm takes a set of receivers as input, unlike to broadcast encryption.
In this paper, we propose a generic construction of BEKS from anonymous and weakly robust 2-level hierarchical identity based encryption (HIBE). The proposed generic construction can be seen as an extension to the Fazio-Perera generic construction of anonymous broadcast encryption (PKC 2012) from anonymous and weakly robust identity based encryption (IBE) and the Boneh et al. generic construction of PEKS (EUROCRYPT 2004) from anonymous IBE. We also demonstrate that the Abdalla et al. generic transformation (TCC 2010/JoC 2018) for providing weak robustness to IBE works for HIBE with an appropriate parameter setting.
Keyword (in Japanese) (See Japanese page) 
(in English) Broadcast encryption with keyword search / Public key encryption with keyword search / Generic Construction / Weak Robustness / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 129, ISEC2023-22, pp. 52-59, July 2023.
Paper # ISEC2023-22 
Date of Issue 2023-07-17 (ISEC, SITE, BioX, HWS, ICSS, EMM) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ISEC2023-22 SITE2023-16 BioX2023-25 HWS2023-22 ICSS2023-19 EMM2023-22

Conference Information
Committee EMM BioX ISEC SITE ICSS HWS IPSJ-CSEC IPSJ-SPT 
Conference Date 2023-07-24 - 2023-07-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Jichiro Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2023-07-EMM-BioX-ISEC-SITE-ICSS-HWS-CSEC-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Generic Construction of Outsider Anonymous Broadcast Encryption with Keyword Search 
Sub Title (in English)  
Keyword(1) Broadcast encryption with keyword search  
Keyword(2) Public key encryption with keyword search  
Keyword(3) Generic Construction  
Keyword(4) Weak Robustness  
Keyword(5)  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Keita Emura  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Kaisei Kajita  
2nd Author's Affiliation Japan Broadcasting Corporation (NHK)
3rd Author's Name Go Ohtake  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
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Speaker Author-1 
Date Time 2023-07-24 14:20:00 
Presentation Time 20 minutes 
Registration for ISEC 
Paper # ISEC2023-22, SITE2023-16, BioX2023-25, HWS2023-22, ICSS2023-19, EMM2023-22 
Volume (vol) vol.123 
Number (no) no.129(ISEC), no.130(SITE), no.131(BioX), no.132(HWS), no.133(ICSS), no.134(EMM) 
Page pp.52-59 
#Pages 8 
Date of Issue 2023-07-17 (ISEC, SITE, BioX, HWS, ICSS, EMM) 

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